package com.hua.operator;

public class Demo01 {

    public static void main(String[] args) {
        //二元运算符
        // commd + d
        int a = 10;
        int b = 20;
        int c = 25;
        int d = 25;
        System.out.println(a+b);
        System.out.println(a-b);
        System.out.println(a*b);
        System.out.println(a/(double) b);


    }
}
